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Growth and Yield of Rice (oryza Sativa) as Influenced by Humic Acid and Poultry Manure

R Saha
Department of Agricultural Chemistry, Bangladesh Agricultural University, Mymensingh

M A K Chowdhury
Department of Agricultural Chemistry, Bangladesh Agricultural University, Mymensingh

M A U Saieed
Department of Seed Science and Technology, Bangladesh Agricultural University, Mymensingh

Abstract/ Executive Summary:

Humic acid (HA) and poultry manure (PM) were applied on T. aman rice cv. BRRI dhan39 to observe their effects on rice. Three levels of humic acid viz. 0, 3 and 6 L ha^-1 and three levels of poultry manure viz. 0, 3 and 6 t ha^-1 were applied along with recommended doses of N, P, K and S fertilizers from urea, TSP, MoP and gypsum, respectively following Randomized Complete Block Design (RCBD). Parameters used in the experiment were plant height, effective tillers hill^-1, panicle length, no. of grains panicle^-1, 1000-grain weight, grain and straw yields. The application of different treatments showed positive trend in all the parameters of BRRI dhan39. The highest grain yield (4.07 t ha^-1) was recorded by the application of 6 L ha^-1 humic acid along with 3 t ha^-1 poultry manure which was identical with the application of 6 L ha^-1 humic acid along with 6 t ha^-1 poultry manure but was different from other treatment combinations.

Keywords: Humic Acid, Poultry Manure, Growth, Yield, BRRI dhan39, Etc

Location: Central Farm of Bangladesh Agricultural University, Mymensingh

Start Date: 00-11-2010

End Date: 00-11-2010

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To observe the effects of humic acid (HA) and poultry manure (PM)on T. aman rice (BRRI dhan39).

Methodology:

Experimental Site and Design

The experiment was carried out during the Aman season from August to November, 2010 at Central Farm of Bangladesh Agricultural University, Mymensingh. The experiment was set up in a typical rice growing soil. Rice cultivar BRRI dhan39 was used as test crop. There were 9 treatments consisting of three rates of humic acid (0, 3 and 6 L ha-1) and three rates of poultry manure (0, 3 and 6 t ha^-1). The treatments are T₀ = HA₀+PM₀, T₁ = HA₀+PM₃, T₂ = HA₀+PM₆, T₃ = HA₃+PM₀, T₄ = HA₃+PM₃, T₅ = HA₃+PM₆, T₆ = HA₆+PM₀, T₇ = HA₆+PM₃ and T₈ = HA₆+PM₆. The experiment was laid out in a randomized complete block design with three replications.

Data Collection and Statistical Analysis

Land was prepared with power tiller and leveled with ladder. The unit plot size was 10 m² (4.0 m x 2.5m). 25 days old seedlings were transplanted with the spacing of 15cm x 20cm.The doses of NPKS were as per the recommendations made by the Bangladesh Rice Research Institute (BRRI) and that was urea 150 kg ha-1 (69 kg N ha-1), TSP 100 kg ha^-1, MoP 70 kg ha^-1 and gypsum 10 kg ha^-1. Intercultural operations were practiced as and when necessary. The crop was harvested on 17^th November 2010. The plant threshed and grain and straw was collected plot-wise. Humic acid was collected from Global Agrovat Company Limited and poultry manure was collected from the Poultry Farm of Bangladesh Agricultural University, Mymensingh. Humic acid was used in liquid form. Data were collected on crop characters such as plant height, number of total tillers hill-1, number of effective tillers hill^-1, panicle length, number of grains panicle^-1, number of filled grains panicle^-1, 1000-grain weight, grain yield, straw yield, biological yield and harvest index. Data were statistically analyzed using the MSTAT statistical Computer Package Programme.

Source of Information: Universal Journal of Plant Science 1(3): 78-84, 2013

Article Link (Online Journal): http://www.hrpub.org DOI: 10.13189/ujps.2013.010304

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Yield contributing characters were significantly influenced by different treatment combinations of HA and PM along with chemical fertilizers and became maximum when humic acid and poultry manure were applied @ 6 L ha^-1 and 3 t ha^-1, respectively. The highest grain yield (4.07 t ha^-1) and straw yield (10.28 t ha^-1) was found in T₇treatment and that was lowest (2.37 t ha^-1 and 7.98 t ha^-1) at control, respectively. However, application of PM @ 3 t ha^-1 along with HA @ 6 L ha^-1 showed better performance than PM or HA alone. It is therefore concluded that the incorporation of HA @ 6 L ha^-1 plus PM @ 3 t ha^-1 with recommended doses of NPKS could be used for obtaining higher yield of T. aman rice particularly BRRI dhan39.

Knowledge Management: Journal